Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/parser/HTMLDocumentParser.h

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 #include "core/html/parser/HTMLParserOptions.h"
 #include "core/html/parser/HTMLPreloadScanner.h"
 #include "core/html/parser/HTMLScriptRunnerHost.h"
 #include "core/html/parser/HTMLSourceTracker.h"
 #include "core/html/parser/HTMLToken.h"
 #include "core/html/parser/HTMLTokenizer.h"
 #include "core/html/parser/HTMLTreeBuilderSimulator.h"
 #include "core/html/parser/XSSAuditor.h"
 #include "core/html/parser/XSSAuditorDelegate.h"
 #include "core/loader/cache/CachedResourceClient.h"
-#include "core/platform/Timer.h"
 #include "core/platform/text/SegmentedString.h"
-#include <wtf/Deque.h>
-#include <wtf/OwnPtr.h>
-#include <wtf/text/TextPosition.h>
-#include <wtf/WeakPtr.h>
+#include "wtf/Deque.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/WeakPtr.h"
+#include "wtf/text/TextPosition.h"
 
 namespace WebCore {
 
 class BackgroundHTMLParser;
 class CompactHTMLToken;
 class Document;
 class DocumentFragment;
 class HTMLDocument;
 class HTMLParserScheduler;
 class HTMLScriptRunner;
@@ skipping 137 matching lines @@
 
     bool m_isPinnedToMainThread;
     bool m_endWasDelayed;
     bool m_haveBackgroundParser;
     unsigned m_pumpSessionNestingLevel;
 };
 
 }
 
 #endif